CN102040773A - Plastic alloy as well as preparation method and application thereof - Google Patents
Plastic alloy as well as preparation method and application thereof Download PDFInfo
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- CN102040773A CN102040773A CN2010105766038A CN201010576603A CN102040773A CN 102040773 A CN102040773 A CN 102040773A CN 2010105766038 A CN2010105766038 A CN 2010105766038A CN 201010576603 A CN201010576603 A CN 201010576603A CN 102040773 A CN102040773 A CN 102040773A
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Abstract
The invention provides a plastic alloy as well as a preparation method and application thereof, belonging to the technical field of plastics. The plastic alloy comprises the following components in parts by weight: 10-60 parts of PP (Polypropylene) resin, 10-45 parts of PPO (Polyphenylene Oxide) resin, 10.01-42 parts of active kaolin and 5-25 parts of compatilizer. Because the active kaolin subjected to surface treatment and a right amount of compatilizer are used, the plastic alloy has excellent mechanical properties including tensile strength, fracture extension rate, bending strength, bending modulus, notch impact strength, forming shrinkage rate and the like, and the PP resin and the PPO resin have excellent compatibility.
Description
Technical field
The invention belongs to the plastics technology field, relate in particular to a kind of polyblend, its preparation method and application.
Background technology
Poly-(2,6-diformazan 1,4-phenylene ether) are a kind of unformed polar polymers (PPO), and glass transition temperature is about 205 ℃, its thermotolerance, water tolerance, electric property and physical and mechanical properties excellence, and chemical stability is good, nonflammable; Shortcoming is melt viscosity height, poor processability, crosslinked tendency is arranged, and price is expensive partially, the easy stress cracking of goods etc.Polypropylene (PP) is the crystallization non-polar polymer, price is low, nontoxicity, good fluidity, easily processing, anti-useless labor bending, chemical resistance and electrical insulation capability are good, but have poor rigidity, deficiencies such as molding shrinkage is big, size is unstable, low temperature impact properties difference.PPO resin and PP mixed with resin can make performance separately obtain bigger raising, but because two kinds of resin polarity of PP and PPO are different, consistency is relatively poor, extrude easy layering by simple blend, and physical and mechanical property is poor, this has influence on the application of PPO and PP blending resin greatly.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of polyblend, solves PPO resin and the consistency of PP resin compound and the technical problem of bad mechanical property in the prior art.
The present invention is achieved in that
A kind of polyblend comprises the component of following parts by weight:
Acrylic resin 10-60
Polyphenylene oxide resin 10-45
Alukalin 10.01-42
Compatilizer 5-25
This alukalin is meant, the kaolin after handling through surface treatment agent.
And,
A kind of polyblend preparation method comprises the steps:
With surface treatment agent kaolin is carried out surface treatment, obtain alukalin;
Acrylic resin, polyphenylene oxide resin and compatilizer are mixed, stir, dehumidifier and add this alukalin when temperature reaches 75-85 ℃ is stirred, and obtains pre-composition, and this pre-composition extruding pelletization is obtained plastic alloy material.
The embodiment of the invention further provides the application of above-mentioned alloy material in automobile, work box, fluid delivery tube or pump and Industrial products shell.
Embodiment of the invention plastic alloy material, alukalin after the surface treatment and an amount of compatilizer have been used, make alloy material have mechanical propertys such as good tensile strength, fracture rate elongation, flexural strength, modulus in flexure, notched Izod impact strength and molding shrinkage, and have excellent consistency between PP resin and the PPO resin.Embodiment of the invention preparation method, simple to operate, with low cost, generate high efficiency, be very suitable for suitability for industrialized production.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention provides a kind of polyblend, comprises the component of following parts by weight:
Acrylic resin 10-60
Polyphenylene oxide resin 10-45
Alukalin 10.01-42
Compatilizer 5-25
This alukalin is meant, the kaolin after handling through surface treatment agent.
Embodiment of the invention plastic alloy material is a basal component with PP resin and PPO resin; With the alukalin is properties-correcting agent, and alukalin and compatilizer are dispersed between PP resin and the PPO resin; By alukalin after the interpolation surface treatment and an amount of compatilizer, make alloy material have mechanical propertys such as good tensile strength, fracture rate elongation, flexural strength, modulus in flexure, notched Izod impact strength and molding shrinkage, and have excellent consistency between PP resin and the PPO resin.
Particularly, these parts by weight can be weight unit such as gram, kilogram or ton.
This PP resin is meant polypropylene, is preferably the homopolymerization resin, and melt flow rate (MFR) is 20g/10min; This PPO resin is meant poly-(2,6-diformazan 1,4-phenylene ether), is white in color or buff powder, and viscosity is 38～47cm
3/ g.
Particularly, this alukalin is meant, the kaolin after handling through surface treatment agent.In this alukalin, kaolinic parts by weight are 10-40, preferred 10-30 part, and the parts by weight of surface treatment agent are 0.01-2.This surface treatment agent is one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent, sulfonyl azide coupling agent or the stearic acid; This kaolin can be the kaolin in each place of production without limits.By this surface treatment agent kaolin is carried out surface treatment, can strengthen the consistency of kaolin and PP resin, PPO resin, kaolin is dispersed in the mixture of PP resin and PPO resin uniformly, realize that kaolin is dispersed in (PPO resin and PP resin) in the matrix resin, make the bonding interface of kaolin and matrix resin good, the interaction between interface strengthens, make the shock strength of alloy, the fracture rate elongation, tensile modulus all promotes significantly, and tensile property almost remains unchanged.Kaolin in the alukalin is microgranular texture, particle diameter more than 4000 orders, more than preferred 6000 orders, 6000-8000 order for example, 6000 orders most preferably, D
90Less than 2 microns.When kaoline par-tides is dispersed in the basic resin, is subjected to external force and easily produces stress concentration and the fine fisssure phenomenon takes place, the existence of kaoline par-tides can make the expansion of organic polymer resin crackle be obstructed and passivation, finally makes tiny crack be difficult to develop into destructive cracking; On the other hand, kaoline par-tides makes matrix resin also produce viscous deformation, absorbs striking energy, thereby has embodied toughening effect.
Particularly, these kaolinic parts by weight are 10-40 part, within the threshold value of kaolin addition, the increase of umber can make kaoline par-tides be distributed in the matrix resin widely, extenuate the crack propagation of matrix resin inside, reduce the possibility of stress cracking, thereby realize the improvement of alloy material mechanical property; But, when the kaolin umber surpasses certain proportion, supersaturation will appear in the distribution of kaoline par-tides in matrix resin, and kaolin easily produces " secondary agglomeration " situation, make kaolin dispersed and consistency variation all in matrix resin, finally cause product performance to descend.Therefore, the kaolin parts by weight constantly increase toughness, rigidity, the dimensional stability of embodiment of the invention polyblend within 10-40, and the improvement that obtains of intensity, modulus, heat-drawn wire (HDT).Further, the kaolin in the embodiment of the invention polyblend is mineral filler, can play the cooperative flame retardant effect; Simultaneously, because kaolinic chemical stability makes polyblend have excellent chemical resistant properties, high heat resistance.
Particularly, this compatilizer is selected from one or more among maleic anhydride (along the divinyl acid anhydrides), PP-g-MAH (polypropylene grafted maleic anhydride), SEBS (styrene-ethylene-butylene-styrene segmented copolymer), the SBS (styrene-butadiene-styrene block copolymer).This compatilizer has low viscosity and high reaction activity, not only make PP, the PPO resin compatible, and also this compatilizer also can react with resin (PP and PPO) chemical functional group reaction (hydroxyl, amino etc.), increase the bonding force between alloy and the filler, improve material extending performance and shock strength etc.Compatilizer makes prepared alloy material have excellent processing flowability simultaneously.
Further, embodiment of the invention alloy material comprises that also parts by weight are the fire retardant of 3-18, this fire retardant comprises that (this halogen-containing fire retardant is not specifically limited halogen-containing fire retardant, can be organic chloride or organic bromide), in the red phosphorus, antimonous oxide, magnesium hydroxide, aluminium hydroxide, zinc borate one or more, be preferably halogen-containing fire retardant, antimonous oxide together as the fire retardant in the embodiment of the invention plastic alloy material, play halogen-antimony cooperative flame retardant effect.
Further, embodiment of the invention alloy material comprises that also parts by weight are the oxidation inhibitor of 0.1-2, and this oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant, and it is that four [3-(3 that this primary antioxidant is selected chemical name for use, 5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester, trade(brand)name IRGANOX1010; Auxiliary antioxidant is selected three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester for use, trade(brand)name IRGANOX168, and Switzerland Ciba company produces, and primary antioxidant and auxiliary anti-oxidant part by weight are IRGANOX1010/IRGANOX168=0.I/0.2 in this oxidation inhibitor.
Further, embodiment of the invention alloy material comprises that also parts by weight are the ultraviolet absorbers of 0.1-2, this ultraviolet absorbers without limits, preferred benzotriazole is one or more of UV234, UV944, UV327 for example.
Further, embodiment of the invention alloy material comprises that also the gross weight umber is one or more in static inhibitor, tinting material, lubricant or the releasing agent of 0.1-3, this static inhibitor, tinting material, lubricant or releasing agent can be static inhibitor, tinting material or the lubricant of various models, for example, static inhibitor is selected from the cruel amine of oxyethyl group bay, and monostearin (GMS); Tinting material is toner/look mother; Lubricant is selected from stearic acid, butyl stearate, oleylamide, ethylene bis stearamide etc.
Embodiment of the invention polyblend has following advantage:
(1) performance and price be between TPO and engineering plastics (as ABS and PA), bending, stretching, impact property equilibrium, chemical stability and excellent heat resistance;
(2) have high rigidity and good flowability, available its made the thin-walled components and parts, and shortens molding cycle;
(3) employed kaolin powder, its particle diameter of 90%≤2 μ m can be expressed as D
90≤ 2 μ m have solved the problem that the stopping composition powder " is easily reunited difficult the dispersion ";
(4) the polyblend molding shrinkage significantly reduces, excellent size stability, and thermotolerance improves;
(5) the above alukalin powder of employed 4000 orders can be saved 5～12% cost than the common fillers of identical addition, has advantageously improved the competitiveness of product in market;
(6) added halogen-antimony synergistic flame retardant in the alloy, both synergies can make the flame retardant resistance of alloy reach the UL94V-0 rank.
The embodiment of the invention further provides a kind of polyblend preparation method, comprises the steps:
S01 carries out surface treatment with surface treatment agent to kaolin, obtains alukalin;
S02 mixes PP resin, PPO resin and compatilizer, stirs, and dehumidifier and add this alukalin when temperature reaches 75-85 ℃ is stirred, and obtains pre-composition, and extruding pelletization obtains plastic alloy material.
Particularly, among the step S01, this surface treatment agent, kaolin and front are identical, do not repeat to set forth at this.Step S01 is specially:
Kaolin is stirred, and dehumidifier when temperature reaches 70 ℃～85 ℃ adds surface treatment agent when temperature reaches 115 ℃～155 ℃, stirred 3～8 minutes, obtains the alukalin precursor, and cooling obtains alukalin.This cooling step is specially the alukalin precursor put in the cold mixer and carries out, and is cooled to 40～55 ℃, obtains alukalin.Particularly, use high mixer to carry out high-speed stirring in this step and mix, make by stirring that the kaolin temperature raises gradually in the high mixer; The dehumidifier equipment that uses in the dehumidifier step without limits.In this step, high-speed stirring elevates the temperature, make the active increase of surface treatment agent, be convenient to surface treatment agent and kaolin and carry out surface reaction, carry out dehumidifier and can reduce water-intake rate, make surface treatment agent and kaolin be easier to reaction, control surface treatment time and temperature guarantee surface treatment effect simultaneously.
Particularly, among the step S02, the compatilizer of use does not repeat to set forth at this with aforementioned identical.Use high mixer to carry out high-speed stirring in this step, mixture temperature is raise gradually by the high-speed stirring frictional heat; The dehumidifier equipment that uses in the dehumidifier step without limits.In this step, high-speed stirring elevates the temperature, and makes the active increase of surface treatment agent, is convenient to surface treatment agent and matrix resin and carries out surface reaction; Carry out dehumidifier and can reduce water-intake rate, make surface treatment agent and matrix resin be easier to reaction,, guarantee that surface treatment reaction is complete with advancing control surface treatment time and temperature.Further, also comprise the cooling process step in this step, be specially, add alukalin after, stir, when temperature reached 110 ℃～130 ℃, being cooled to temperature again was 40～55 ℃, obtains the polyblend pre-composition.
Further, in PP resin, PPO resin and compatilizer mixing step, also add fire retardant, this fire retardant does not repeat to set forth at this with aforementioned identical.
Further, in adding the alukalin step, also add in oxidation inhibitor, ultraviolet absorbers, static inhibitor, tinting material, lubricant or the releasing agent one or more, this oxidation inhibitor, ultraviolet absorbers, static inhibitor, tinting material, lubricant do not repeat to set forth at this with aforementioned identical.
Particularly, embodiment of the invention polyblend preparation method extrudes treatment step and is specially: pre-composition is put into twin screw extruder, at extrusion temperature is 190～215 ℃, the rotating speed of screw rod be extrude under 220～250 rev/mins of conditions, cooling, air-dry, pelletizing, promptly obtain the alloy particles.This twin screw extruder is produced by Nanjing Ke Ya company, and model is CTE-35 (L/D=48).
Embodiment of the invention preparation method, simple to operate, with low cost, the productivity effect height is very suitable for suitability for industrialized production.
The embodiment of the invention further provides the application of above-mentioned polyblend in the shell of automobile, work box, fluid delivery tube (pump) or Industrial products.
Below in conjunction with specific embodiment embodiment of the invention preparation method is described in detail.
Embodiment one
Embodiment of the invention polyblend preparation method comprises the steps:
The preparation of (1) 6000 order alukalin
6000 order alukalin powders of 10 parts by weight are put into the high mixer high speed to be stirred, temperature begins dehumidifier when reaching 70 ℃, temperature reaches 115 ℃, add the silane coupling agent of 0.5 parts by weight and mix stirring 3 minutes, then the compound in the high mixer is put in the cold mixer and cooled off, discharging after being cooled to 40 ℃ obtains surface-treated 6000 order alukalins;
(2) the filling-modified PP/PPO alloy material of preparation 6000 order alukalins pre-composition
PP with 37.2 parts by weight, the PPO resin of 16 parts by weight, the maleic anhydride of 17 parts by weight, 7.5 the antimonous oxide of the brominated triazine of parts by weight and 7.5 parts by weight is put into high-speed mixer and mixing and is stirred, temperature begins dehumidifier when reaching 70 ℃, dehumidifier is simultaneously with this 6000 order alukalin, the mixture of the trade(brand)name IRGANOX1010 of 1 parts by weight and trade(brand)name IRGANOX168,0.3 the UV234 of parts by weight, the cruel amine of oxyethyl group bay of 1 parts by weight, the toner of 1 parts by weight, 0.5 the stearic acid of parts by weight is put into high mixer, and continue to mix and stir, when temperature rises to 110 ℃, compound in the high mixer put in the cold mixer cool off, discharging when temperature is cooled to 40 ℃ obtains pre-composition;
(3) the filling-modified PP/PPO alloy of preparation 6000 order alukalins particles
The pre-composition that is produced in the step (2) is put into twin screw extruder, and twin screw extruder is produced by Nanjing Ke Ya company, and model is CTE-35 (L/D=48), is 190 ℃ in temperature, and the rotating speed of screw rod is to extrude under 220 rev/mins of conditions; Extrude postcooling, air-dry, pelletizing, promptly obtain the filling-modified PP/PPO alloy of 6000 order alukalins particles.
Embodiment two
Embodiment of the invention polyblend preparation method comprises the steps:
The preparation of (1) 4000 order alukalin
4000 order alukalin powders of 15 parts by weight are put into the high mixer high speed to be stirred, temperature begins dehumidifier when reaching 75 ℃, temperature reaches 120 ℃, add the titanate coupling agent of 0.5 parts by weight and mix stirring 4 minutes, then the compound in the high mixer is put in the cold mixer and cooled off, discharging after being cooled to 45 ℃ obtains surface-treated 4000 order alukalins;
(2) the filling-modified PP/PPO alloy material of preparation 4000 order alukalins pre-composition
PP with 32.2 parts by weight, the PPO resin of 16 parts by weight, the polypropylene grafted maleic anhydride of 17 parts by weight, the antimonous oxide of the brominated triazine of 9 parts by weight and 6 parts by weight is put into high-speed mixer and mixing and is stirred, temperature begins dehumidifier when reaching 75 ℃, dehumidifier is simultaneously with this 4000 order alukalin, the mixture of the trade(brand)name IRGANOX1010 of 1 parts by weight and trade(brand)name IRGANOX168,0.3 the UV234 of parts by weight, 0.5 the monostearin of parts by weight, 0.5 the look mother of parts by weight, the butyl stearate of 1 parts by weight is put into high mixer, and continue to mix and stir, when temperature rises to 115 ℃, compound in the high mixer put in the cold mixer cool off, discharging when temperature is cooled to 45 ℃ obtains pre-composition;
(3) the filling-modified PP/PPO alloy of preparation 4000 order alukalins particles
The pre-composition that is produced in the step (2) is put into twin screw extruder, and twin screw extruder is produced by Nanjing Ke Ya company, and model is CTE-35 (L/D=48), is 200 ℃ in temperature, and the rotating speed of screw rod is to extrude under 225 rev/mins of conditions; Extrude postcooling, air-dry, pelletizing, promptly obtain the filling-modified PP/PPO alloy of 4000 order alukalins particles.
Embodiment three
Embodiment of the invention polyblend preparation method comprises the steps:
The preparation of (1) 7000 order alukalin
7000 order alukalin powders of 20 parts by weight are put into the high mixer high speed to be stirred, temperature begins dehumidifier when reaching 80 ℃, temperature reaches 125 ℃, add the aluminate coupling agent of 0.5 parts by weight and mix stirring 5 minutes, then the compound in the high mixer is put in the cold mixer and cooled off, discharging after being cooled to 50 ℃ obtains surface-treated 7000 order alukalins;
(2) the filling-modified PP/PPO alloy material of preparation 7000 order alukalins pre-composition
PP with 27.2 parts by weight, the PPO resin of 16 parts by weight, the styrene-ethylene-butylene-styrene segmented copolymer of 17 parts by weight, the magnesium hydroxide of 7 parts by weight, 8 parts by weight aluminium hydroxides are put into high-speed mixer and mixing and are stirred, temperature begins dehumidifier when reaching 80 ℃, dehumidifier is simultaneously with this 7000 order alukalin, the mixture of the trade(brand)name IRGANOX1010 of 1 parts by weight and trade(brand)name IRGANOX168,0.3 the UV234 of parts by weight, the cruel amine of oxyethyl group bay of 3 parts by weight is put into high mixer, and continue to mix and stir, when temperature rises to 120 ℃, compound in the high mixer put in the cold mixer cool off, discharging when temperature is cooled to 50 ℃ obtains pre-composition;
(3) the filling-modified PP/PPO alloy of preparation 7000 order alukalins particles
The pre-composition that is produced in the step (2) is put into twin screw extruder, and twin screw extruder is produced by Nanjing Ke Ya company, and model is CTE-35 (L/D=48), is 205 ℃ in temperature, and the rotating speed of screw rod is to extrude under 230 rev/mins of conditions; Extrude postcooling, air-dry, pelletizing, promptly obtain the filling-modified PP/PPO alloy of 7000 order alukalins particles.
Embodiment four
Embodiment of the invention polyblend preparation method comprises the steps:
The preparation of (1) 8000 order alukalin
8000 order alukalin powders of 25 parts by weight are put into the high mixer high speed to be stirred, temperature begins dehumidifier when reaching 85 ℃, temperature reaches 130 ℃, add the sulfonyl azide coupling agent of 0.5 parts by weight and mix stirring 6 minutes, then the compound in the high mixer is put in the cold mixer and cooled off, discharging after being cooled to 55 ℃ obtains surface-treated 8000 order alukalins;
(2) the filling-modified PP/PPO alloy material of preparation 8000 order alukalins pre-composition
PP with 22.2 parts by weight, the PPO resin of 16 parts by weight, the styrene-butadiene-styrene block copolymer of 17 parts by weight, the TDE of 8 parts by weight, the antimonous oxide of 5 parts by weight, the aluminium hydroxide of 2 parts by weight is put into high-speed mixer and mixing and is stirred, temperature begins dehumidifier when reaching 85 ℃, dehumidifier is simultaneously with this 8000 order alukalin, the mixture of the trade(brand)name IRGANOX1010 of 1 parts by weight and trade(brand)name IRGANOX168,0.3 the UV234 of parts by weight, the toner of 3 parts by weight is put into high mixer, and continue to mix and stir, when temperature rises to 125 ℃, compound in the high mixer put in the cold mixer cool off, discharging when temperature is cooled to 55 ℃ obtains pre-composition;
(3) the filling-modified PP/PPO alloy of preparation 8000 order alukalins particles
The pre-composition that is produced in the step (2) is put into twin screw extruder, and twin screw extruder is produced by Nanjing Ke Ya company, and model is CTE-35 (L/D=48), is 210 ℃ in temperature, and the rotating speed of screw rod is to extrude under 235 rev/mins of conditions; Extrude postcooling, air-dry, pelletizing, promptly obtain the filling-modified PP/PPO alloy of 8000 order alukalins particles.
Embodiment five
Embodiment of the invention polyblend preparation method comprises the steps:
The preparation of (1) 9000 order alukalin
9000 order alukalin powders of 30 parts by weight are put into the high mixer high speed to be stirred, temperature begins dehumidifier when reaching 85 ℃, temperature reaches 140 ℃, add the stearic acid of 0.5 parts by weight and mix stirring 8 minutes, then the compound in the high mixer is put in the cold mixer and cooled off, discharging after being cooled to 55 ℃ obtains surface-treated 9000 order alukalins;
(2) the filling-modified PP/PPO alloy material of preparation 9000 order alukalins pre-composition
PP with 17.2 parts by weight, the PPO resin of 16 parts by weight, the styrene-butadiene-styrene block copolymer of 17 parts by weight, the TDE of 8 parts by weight, the antimonous oxide of 5 parts by weight, 2 parts by weight zinc borate put into high-speed mixer and mixing and stir, temperature begins dehumidifier when reaching 85 ℃, dehumidifier is simultaneously with this 9000 order alukalin, the mixture of the trade(brand)name IRGANOX1010 of 1 parts by weight and trade(brand)name IRGANOX168,0.3 the UV234 of parts by weight, the ethylene bis stearamide of 3 parts by weight is put into high mixer, and continue to mix and stir, when temperature rises to 130 ℃, compound in the high mixer put in the cold mixer cool off, discharging when temperature is cooled to 55 ℃ obtains pre-composition;
(3) the filling-modified PP/PPO alloy of preparation 9000 order alukalins particles
The pre-composition that is produced in the step (2) is put into twin screw extruder, and twin screw extruder is produced by Nanjing Ke Ya company, and model is CTE-35 (L/D=48), is 215 ℃ in temperature, and the rotating speed of screw rod is to extrude under 250 rev/mins of conditions; Extrude postcooling, air-dry, pelletizing, promptly obtain the filling-modified PP/PPO alloy of 9000 order alukalins particles.
Embodiment six
Embodiment of the invention polyblend preparation method comprises the steps:
The preparation of (1) 6500 order alukalin
6500 order alukalin powders of 40 parts by weight are put into the high mixer high speed to be stirred, temperature begins dehumidifier when reaching 85 ℃, temperature reaches 145 ℃, add the stearic acid of 2 parts by weight and mix stirring 8 minutes, then the compound in the high mixer is put in the cold mixer and cooled off, discharging after being cooled to 55 ℃ obtains surface-treated 6500 order alukalins;
(2) the filling-modified PP/PPO alloy material of preparation 6500 order alukalins pre-composition
PP with 60 parts by weight, the PPO resin of 45 parts by weight, the styrene-butadiene-styrene block copolymer of 25 parts by weight, the dibromoneopentyl glycol of 8 parts by weight, the antimonous oxide of 5 parts by weight, the zinc borate of 3 parts by weight is put into high-speed mixer and mixing and is stirred, temperature begins dehumidifier when reaching 85 ℃, dehumidifier is simultaneously with this 9000 order alukalin, the mixture of the trade(brand)name IRGANOX1010 of 2 parts by weight and trade(brand)name IRGANOX168, the UV944 of 2 parts by weight, put into high mixer, and continue to mix and stir, when temperature rises to 130 ℃, compound in the high mixer put in the cold mixer cool off, discharging when temperature is cooled to 55 ℃ obtains pre-composition;
(3) the filling-modified PP/PPO alloy of preparation 6500 order alukalins particles
The pre-composition that is produced in the step (2) is put into twin screw extruder, and twin screw extruder is produced by Nanjing Ke Ya company, and model is CTE-35 (L/D=48), is 215 ℃ in temperature, and the rotating speed of screw rod is to extrude under 245 rev/mins of conditions; Extrude postcooling, air-dry, pelletizing, promptly obtain the filling-modified PP/PPO alloy of 6500 order alukalins particles.
Embodiment seven
Embodiment of the invention polyblend preparation method comprises the steps:
The preparation of (1) 7000 order alukalin
7000 order alukalin powders of 30 parts by weight are put into the high mixer high speed to be stirred, temperature begins dehumidifier when reaching 85 ℃, temperature reaches 155 ℃, add the stearic acid of 1.5 parts by weight and mix stirring 8 minutes, then the compound in the high mixer is put in the cold mixer and cooled off, discharging after being cooled to 55 ℃ obtains surface-treated 7000 order alukalins;
(2) the filling-modified PP/PPO alloy material of preparation 7000 order alukalins pre-composition
PP with 50 parts by weight, the PPO resin of 35 parts by weight, the styrene-butadiene-styrene block copolymer of 20 parts by weight, the hexabromobenzene of 8 parts by weight, the antimonous oxide of 4 parts by weight is put into high-speed mixer and mixing and is stirred, temperature begins dehumidifier when reaching 85 ℃, dehumidifier is simultaneously with this 7000 order alukalin, 1.5 the mixture of the trade(brand)name IRGANOX1010 of parts by weight and trade(brand)name IRGANOX168,1.5 the UV944 of parts by weight, 0.5 the cruel amine of oxyethyl group bay of weight part and the oleylamide of 0.5 weight part are put into high mixer, and continue to mix and stir, when temperature rises to 130 ℃, compound in the high mixer put in the cold mixer cool off, discharging when temperature is cooled to 55 ℃ obtains pre-composition;
(3) the filling-modified PP/PPO alloy of preparation 7000 order alukalins particles
The pre-composition that is produced in the step (2) is put into twin screw extruder, and twin screw extruder is produced by Nanjing Ke Ya company, and model is CTE-35 (L/D=48), is 215 ℃ in temperature, and the rotating speed of screw rod is to extrude under 240 rev/mins of conditions; Extrude postcooling, air-dry, pelletizing, promptly obtain the filling-modified PP/PPO alloy of 7000 order alukalins particles.
Comparative Examples
This Comparative Examples polyblend preparation method comprises the steps:
8000 order alukalin powders with 25 parts by weight, 22.2 the PP of parts by weight, the PPO resin of 16 parts by weight, the styrene-butadiene-styrene block copolymer of 17 parts by weight, the dibromoneopentyl glycol of 8 parts by weight of 15 parts by weight, the antimonous oxide of 5 parts by weight, the magnesium hydroxide of 2 parts by weight, putting into high-speed mixer and mixing stirs, temperature begins dehumidifier when reaching 85 ℃, dehumidifier is simultaneously with this 8000 order alukalin, the mixture of the trade(brand)name IRGANOX1010 of 1 parts by weight and trade(brand)name IRGANOX168,0.5 the UV234 of parts by weight, the toner of 3 parts by weight is put into high mixer, and continue to mix and stir, when temperature rises to 125 ℃, compound in the high mixer put in the cold mixer cool off, discharging when temperature is cooled to 55 ℃ obtains pre-composition;
This pre-composition is put into twin screw extruder, and twin screw extruder is produced by Nanjing Ke Ya company, and model is CTE-35 (L/D=48), is 210 ℃ in temperature, and the rotating speed of screw rod is to extrude under 235 rev/mins of conditions; Extrude postcooling, air-dry, pelletizing, promptly obtain the filling-modified PP/PPO alloy of 7000 order alukalins particles.
See also following table, following table shows the polyblend The performance test results of the embodiment of the invention one to five and Comparative Examples preparation:
From this table as can be known, surface treated kaolin has great modifying function to the performance of PP and PPO resin.Kaolin is handled through tensio-active agent in the Comparative Examples, its to the modifying function of matrix resin a little less than, the modification of particularly rupture rate elongation, notched Izod impact strength is limited.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. polyblend comprises the component of following parts by weight:
Acrylic resin 10-60
Polyphenylene oxide resin 10-45
Alukalin 10.01-42
Compatilizer 5-25
Described alukalin is meant the kaolin of handling through surface treatment agent.
2. polyblend as claimed in claim 1 is characterized in that, described alukalin comprises the following component of parts by weight meter:
Kaolin 10-40
Surface treatment agent 0.01-2.
3. polyblend as claimed in claim 2 is characterized in that, described kaolin parts by weight are 10-30.
4. polyblend as claimed in claim 2 is characterized in that, described surface treatment agent is one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent, sulfonyl azide coupling agent or the stearic acid.
5. polyblend as claimed in claim 1 is characterized in that, described polyblend comprises that also parts by weight are the fire retardant of 3-18; Parts by weight are the oxidation inhibitor of 0.1-2; Parts by weight are the ultraviolet absorbers of 0.1-2.
6. polyblend as claimed in claim 1 is characterized in that, described polyblend comprises that also the gross weight umber is one or more in the static inhibitor, tinting material, lubricant of 0.1-3.
7. a polyblend preparation method comprises the steps:
With surface treatment agent kaolin is carried out surface treatment, obtain alukalin;
Acrylic resin, polyphenylene oxide resin and compatilizer are mixed, stir, dehumidifier and add described alukalin when temperature reaches 75-85 ℃ is stirred, and obtains pre-composition, and described pre-composition extruding pelletization is obtained plastic alloy material.
8. preparation method as claimed in claim 7 is characterized in that, described surface treatment step is:
Kaolin is stirred in high-speed mixer, and dehumidifier when temperature reaches 70 ℃～85 ℃ adds surface treatment agent when temperature reaches 115 ℃～155 ℃, stirred 3～8 minutes, obtains the alukalin precursor, and cooling obtains alukalin.
9. preparation method as claimed in claim 7 is characterized in that, after adding alukalin and stirring, also comprises following cooling process step:
When temperature reached 110 ℃～130 ℃, being cooled to temperature again was 40 ℃～55 ℃, obtains pre-composition.
10. as the application of each described polyblend of claim 1-6 in automobile, work box, fluid delivery tube or pump and Industrial products shell.
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| CN102993555A (en) * | 2012-08-23 | 2013-03-27 | 广东威林工程塑料有限公司 | High impact halogen-free flame retardant PP/PPO (Propene Polymer/Poly Phenylene Oxide) alloy material and preparation method and application thereof |
| CN103421245A (en) * | 2013-08-23 | 2013-12-04 | 苏州长盛机电有限公司 | Enhanced halogen-free flame-retardant PP/PPO alloy and preparation method thereof |
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| CN112795089A (en) * | 2020-12-29 | 2021-05-14 | 成都金发科技新材料有限公司 | Low-shrinkage PP/PS-based alloy and preparation method and application thereof |
| CN113527860A (en) * | 2021-06-29 | 2021-10-22 | 江西岳峰集团环保新材有限公司 | Preparation method of PPO composite material with high melt flowability |
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